Deep plowing in winter is an important technical measure for increasing peanut production, and the increase rate is generally above 10%. The benefits are:
1. Change the soil. Using traditional tillage techniques, ploughing year after year will form a tighter plough bottom layer at a distance of 20 cm from the surface, affecting root expansion and hindering the absorption of nutrients and moisture. Through deep plowing in winter, it is possible to break the plow bottom layer, thicken the mature soil layer, and pass through the natural weathering of a winter to transform and decompose the organic matter and minerals that cannot be easily absorbed and utilized by crops, thereby enhancing soil fertility.
2. Exterminate insects. Through deep plowing, the deep-layered pests, germs, and weed seeds are turned to the surface and frozen, dried, or eaten by natural enemies. As a result, the insects, pathogens, and weed seeds that are buried deeply in the ground cannot be normally exhumed and suffocated. In order to reduce the winter base, reduce the harm in the coming year.
3. Store yours. After the ploughing, the surface of the soil is uneven, which is conducive to accepting rain and snow in winter and spring, so that the soil can accumulate more water in depth, ensuring sufficient bottom pods when planting, and conducive to timely sowing, early emergence and seedling growth of peanuts.
It should be noted that the sooner the winter plowing time is, the better. Generally, after the harvest of the previous crop, it should be carried out. Before the earth is frozen (more than 5 cm in the permafrost layer), it should be cultivated to prolong the weathering time and improve the pest control effect. It is good for accepting rain and snow.
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